The new twotwo sub2 is designed to complement the twotwo range, providing greater headroom and dynamics than its smaller sibling, the twotwo sub1. The new sub2 is a low-distortion, active subwoofer featuring PMC’s ATL bass-loading technology, Class-D amplification and DSP-based filtering and bass management, which extends bass output significantly with negligible harmonic distortion. The sub2 also features a highly rigid, braced cabinet, ensuring that unwanted coloration is reduced to inaudible levels.

The built-in amplifier is said to deliver 400 watts of power to the LF driver, which has an active frequency response stated to range from 20 to 200 Hz. As with all PMC ATL designs, the tonal balance of the output promises consistency at all listening levels.

The sub2 can be deployed in a 2.1 configuration with twotwo Series monitors to gain extra bass extension and headroom, or to reproduce the low-frequency effects (LFE) channel in a surround monitoring system. Used with the twotwos, the sub2 is also ideal where midfield performance levels are required, but where there may not be the space for large-scale reference monitors, such as in broadcast or post-production environments.

The long-throw bass driver employed in the twotwo sub2 — a flat piston design composed of a carbon-fiber/Nomex sandwich — is a bespoke PMC design that delivers unparalleled transient response and potent performance for the speaker’s size when combined with the Advanced Transmission Line. The slim-line cabinet dimensions also make the sub2 far easier to place than typical cube-shaped subwoofer designs.

The sub2 features an AES3 input with a built-in high-quality sample rate converter that can accept digital signals at sample rates between 32 and 192 kHz. A pair of balanced stereo analog XLR inputs are included, and both sets of inputs are continuously active regardless of which sources are connected; switching between the sources is carried out from the rear panel or the optional desktop RC1 remote. The digital input is also passed through to the sub’s analog and digital outputs for connection with other devices, allowing the twotwo sub2 to be used as a high-end D/A converter to drive other analog monitors from a digital stream, if required. A single parametric equalizer is provided to assist with in-room alignment, and the analog and digital outputs can be highpass filtered to feed satellite speakers in a 2.1 configuration.

In addition to the full twotwo range, PMC will also be demonstrating the recently launched QB1-A main studio monitor at the PMC booth.